fectly aligned with an image signal without the freedom
STEREOSCOPIC VIDEO SYSTEM of moving same without the loss of video clarity.
A still further object of the present invention is to
BACKGROUND OF THE INVENTION provide for transmission of the video image in a reliable
The present invention relates to a stereoscopic video 5 manner which utilizes no moving mechanical parts
system and in particular to an improved apparatus for dunng use and ,s rellable both for commercial and home
delivering the stereoscopic video image directly to the usf' , .
eves of the viewer Moreover, another object of the present invention is
In stereoscopic video systems, the purpose is to pres- ,n t0Provideua ... which canadapt to the present
„ r ■ t.- u ii ■ *u lu television broadcast systems and provide an accurate
ent images to the eyes of a viewer which will give the *\ .
• f . „ , , - , stereoscopic video image output without necessitating
viewer the impression of actually seeing the real object , r . . •
, .. ., ,. • i • iL r • lt_ changes to existing television broadcast conventions,
by creating a three-dimensional image thereof in the . lL 6 . . x ., lt_
• , . • These and other objects of the present invention are
viewer s brain. ,. , , 4 J . ...
w . . , , . , - . ., . achieved by the stereoscopic video system and the
Many prior art systems are known which effect this is , J ■ j ...
, , , . . lD headset for stereoscopic video viewing according to the
result, such as anaglyphic and vectographic systems, „ . x. . x r x. » , ^
lf_ ~ f_ j i_ i J- i L present invention. The system extends the natural ste
orthoscopic image tubes and holographic displays such r , x J
u • Itctt> . H.t -> j-n o-n J 1 o%o T reoscopic optical system of the viewer to a remote
as shown in U.S. Pat. Nos. 3,473,872 and 3,878,329. In , %. '. • - - u .
, , iL . . . , , iL place, thus providing the viewer with a virtually trueeach of these systems, the images are viewed by the ;,..' ■ • ,
... J , . f .. . J,. , to-life stereoscopic visual experience,
eyes of the viewer through an intermediate space which 20 A j- . *t. »• *■ *u • ■ J-.u
it. ■ . i. Li-, According to the present invention, the origin of the
permits the viewer to have a peripheral visual aware- . • . , , . • ,f- r
r .. ..... stereoscopic image may be real, that is, resulting from
ness of his surrounding or visual setting, which is in ... . ■ , , . , ■ , . ,
° , , . ° . j , that which is observed by a camera lens, or simulated,
most cases irrelevant to the image being viewed, and . . . u- i. ■ » * J T »i.
°. ,e , „ , that is, an image which is computer-generated. In either
therefore amounting to what can best be described as ■ 7, c. , , 1N • e
„ . . „ 6 2J case, right and left eye (or channel) information remains
vi eo noise . discretely separated during transmission from the
Moreover, the known prior art systems utilize rigid „ „„ .„ t. „° ;,i,„ ;t„ „f tU„
. r, , , . , source to the viewer, thus preserving the purity ot the
optics, moving mechanical parts or other devices and s cho.0 tical experience by the viewer,
require that the viewer s head remain in precise align- Furthermore, by use of the headset of the present
ment with respect to the image being brought to the invention> the viewer-s psycho.0pticai system can be
_ , , i o • , come physically linked to a discrete two-channel video
Examples of these types of prior art systems are those di , b means of flexible flber 0 tic means.
disclosed in U.S. Pat. Nos. 3,860,752 and 3,525,807 The discrete two.channel video display may utilize
wherein the apparent position of the image remains miniature cathode ray tubes which provide color or
unaffected by small movements of the head; however, bkck and whke images> ^ state image displays such
the brightness of the image is diminished and the image as LED matrix paneiSi Uquid crystal displays or gas
vanishes altogether with a significant rotation. These discharge displays. Each channel of the video display
types of systems are extremely complicated to imple- displays a different monoscopic view image, which
ment and require precise eye-to-image alignment and when combined and transmitted to the viewer dis
are therefore impractical. cretely via the fiber optic video transmitting headset,
Other prior art systems utilize mechanically moving gives a stereoscopic image to the viewer,
parts such as light shutters to create the stereoscopic The headset includes video output means comprising
video imaging and these systems are therefore complex eye cups for delivering the video images to the eyes of
to build, unreliable for long term use and uneconomical the user without outside visual noise and means for
except for a few particular applications. 45 retaining the eye cups in position on the user's head
SUMMARY OF THE INVENTION during use. The eye cups include a small lens system and
become an optical adjunct to the viewer's optical sys
The main object of the present invention is to elimi- tern such that when brought into alignment with the nate the disadvantages of the prior art and to provide a eyes> and retained in place by a headstrap, the stereostereoscopic video system and a headset for stereo- 50 scopic image is presented directly to the eyes and pescopic video viewing for extending the viewer's natural ripheral optical contact with the surroundings is elimistereoscopic psycho-optical system to a remote place so nated, causing the psycho-optical system of the viewer that a sense of actual presence can be experienced by to respond to the remote stereoscopic experience with a the viewer. high sense of reality, spatial comprehension, size and
Another object of the present invention is to elimi- 55 depth perception,
nate the video noise created by the immediate surround- The headset provides coupling between the two
ings of the viewer to give the viewer a total visual channel video images and the eye cups and is preferra
involvement with the image. bly two separate side-by-side flexible fiber optic bundles
To achieve this object, the video headset of the pres- which can extend in length from two to fifteen feet, thus
ent invention has the purpose of bringing discrete left 60 enabling the viewer to freely move about and to per
and right eye video information directly to the corre- form manual operations simultaneously with the video
sponding eyes of the viewer without the intrusion of viewing.
video noise. The structure of the present invention lends itself as a
A further object of the invention is to provide a com- viable system for facilitating an accurate stereoscopic
pact system wherein the viewer can freely move his 65 video image output capability within the present televi
head without a loss of clarity or contact with1 the stereo- sion broadcasting system so as to enable stereoscopic
sccpic video information to eliminate the fatigue that video transmission utilizing conventional broadcasting
can be expected when one has his head remaining per- channels.